#include <cstdio>
#include <cuda_runtime.h>

__device__ __inline__ void say_hello() {
 
}

void say_hello_host() {
    printf("Gel");
}

__global__ void kernel() {
    say_hello();
}

int main() {
    kernel<<<3, 3>>>();
    cudaError_t err = cudaDeviceSynchronize();
    printf("error code: %d\n", err);
    printf("Error: %s\n", cudaGetErrorName(err));
    printf("Error: %s\n", cudaGetErrorString(err));
    return 0;
}